Missing product icons when BoxBilling is installed in subfolder fixed
Missing product icons when BoxBilling is installed in subfolder fixed

gOOvER/boxbilling,fffaraz/boxbilling,viqsoft/boxbilling,Eric-Zhong/boxbilling,viqsoft/boxbilling,gOOvER/boxbilling,viqsoft/boxbilling,gOOvER/boxbilling,Eric-Zhong/boxbilling,Eric-Zhong/boxbilling,viqsoft/boxbilling,Eric-Zhong/boxbilling,boxbilling/boxbilling,fffaraz/boxbilling,gOOvER/boxbilling,fffaraz/boxbilling,boxbilling/boxbilling,boxbilling/boxbilling,boxbilling/boxbilling,fffaraz/boxbilling